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首页> 外文期刊>BMJ: British medical journal >Use of placebo controls in the evaluation of surgery: systematic review
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Use of placebo controls in the evaluation of surgery: systematic review

机译:在手术评估中使用安慰剂控制:系统评价

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Surgical randomised clinical trials incorporating a placebo arm are rare but this review shows that results of many of the trials provide clear evidence against continued use of the investigated surgical procedures, and in well designed studies the risks of adverse effects are small and the placebo is safer than surgery. Selection criteria for studies We carried out a systematic review of randomised clinical trials that compared surgical interventions with placebo. Surgery was denned as any procedure that both changes the anatomy and requires a skin incision or use of endo-scopic techniques. We searched Medline, Embase, and the Cochrane Controlled Trials Register from their inception to November 2013. The search was not limited to any particular condition, patient group, intervention, or type of outcome.
机译:包括安慰剂组的手术随机临床试验很少见,但此综述表明,许多试验的结果提供了明确的证据,可以反对继续使用所研究的手术程序,并且在设计良好的研究中,不良反应的风险很小,安慰剂更安全 比手术。 研究的选择标准我们对将手术干预与安慰剂进行比较的随机临床试验进行了系统的综述。 手术被认为是任何改变解剖结构并需要皮肤切口或使用内部渗透技术的手术。 我们从成立到2013年11月搜索了MEDLINE,EMBASE和COCHRANE对照试验登记册。搜索不仅限于任何特定状况,患者组,干预或结果类型。

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